Submerged Arc Welding Flux Sj301 for Aws-5.17 F6a2-EL12, Em12k

Specification:EN760 SA CS 189 AC H5AWS A5.17 F6A0-EL8 F7A2-EM12K
Applications:Butt an flat fillet welding of miniature LPG tanks, ships, vehicles, agriculturalimplements, machinery, boilers, bridges, structural steels.Characteristics:SJ301 is an agglomerated calcium-silicate type welding flux.metallurgical behavior:High silicon pick-up is obtained. When the manganese pick-up.Grain Size:10-60 meshesBasicity:1.0 (B||W)
Regularly shaped welds are deposited without reduction of area or interface notches.Slag detachability is good. Ashort slag is produced, thus allowing circumferentialwelding on small-diameter work pieces without the risk of uncontrolled slag. Theproduction of large pipes (especially spiral pipe welding) is atypical application forthis flux. Relatively high manganese pick-up is obtained, thus allowing the flux to beused with wires with alow Mn content.As the bulk density is low, so is the consumption rate.Damp flux should be re-dried at 300-350ºCfor 2hours. Rust, grease and moisture onthe weldment should be removed before welding.Chemical composition of the flux SJ301(%):SiO2+TiO2CaF2Al2O3+MnOCaO+MgOSP30-405-1325-305-10≤0.05≤0.05Chemical Composition of Deposited metal:WIRECSiMnEL80.05-0.100.35-0.501.2-1.5EM12K0.05-0.100.35-0.501.4-1.6Mechanical properties of the deposited metal:WireStandardYield Point
σs (MPa)Tensile Strength
σb(MPa)Elongation
δ5(%)Impact Value
AKV (J)EL8F6A0-EL8≥350≥420≥22≥40(0ºC)EM12KF7A2-EM12K≥410≥500≥30≥60(-20ºC)
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